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Hiring: Senior Advanced Java Developer at NYC, NY

Realtech Services
York, NY Contractor
POSTED ON 8/25/2026
AVAILABLE BEFORE 9/23/2026

 

Position: Senior Advanced Java Developer

Location: NYC, NY (5 Days onsite)

Duration: Long-Term Contract

 

Position Description:

The ideal candidate will develop quality software across product domains and be proficient with various object-oriented development tools and techniques. The individual should be highly experienced with Core Java development, Java RESTful APIs, Gradle, Spring, Spring Boot, MQ Series, and related frameworks; possess good problem-solving skills; and take ownership of items independently while tracking to closure.

 

Responsibilities:

  • Responsible for the hands on design and development of core Java applications as part of the Deposits Agile Squad/Fleet.
  • Ensure developed code is in alignment with system architecture and integration design standards; working with an enterprise framework.
  • Participate in design discussions and contribute to the architecture process.
  • Investigate production issues.
  • Provide technical support for debugging web applications, database and assistance to production systems.
  • The candidate will support continuous improvement of the automated systems.  Participate in all aspects of SDLC (analysis, design, coding, testing and implementation)

 

Required Skills:

  • 15 years of hands on professional experience using Core Java, Java Restful APIs, Gradle, Spring, Spring Boot, IBM WebSphere MQ Series and related frameworks.
  • Solid understanding and experience with Object-Oriented design and development
  • Strong Core Java (Collections / Data Structures, OOPS Concepts, Generics, Lambda, Multi-Threading) Java 8
  • Good Communication skills and positive attitude
  • Good understanding of integration frameworks technologies (Messaging / Streaming (MQ / Kafka), Web Services (REST / SOAP), Batch Processing (Spring Batch)
  • Some experience or understanding in JavaScript, HTML 5
  • understanding of Web based architectures and understand various type of authentication mechanisms [e.g. Cookie based authentication, Token based authentication, etc.] and authorization mechanisms
  • Excellent analytical and problem solving skills
  • Experienced with JUnit, Test Driven Development (TDD) using Concordion framework, and Behavior Driven Development using Cucumber and Gherkin.
  • Competency with source control (preferably Git) and Continuous Integration tools such as Jenkins.
  • Practiced understanding of Agile development methodologies and understanding of DevOps Integration

Hourly Wage Estimation for Hiring: Senior Advanced Java Developer at NYC, NY in York, NY
$94.00 to $123.00
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